Protect your gems from being stolen by u201cgoodu201d heroes in this tower defense game. Overlord, you have all the power of orcs, undead and demons. submitted on 11/12/10

Controls:

Use mouse (hold SHIFT to build multiple towers or cast multiple spells).
The game has a bult-in tutorial.
Try to annihilate the enemies before they grab a gem, but even if they do, youu2019ll have a chance to annihilate them on their way back and youu2019ll save the gem.